Eloi, You can find the files at gdal/data/pcs.csv and gdal/data/gcs.csv You may also want to refer to http://www.gdal.org/ogr/osr_tutorial.html
On Sun, Oct 17, 2010 at 5:18 PM, Eloi Ribeiro <eloi.ribe...@gmail.com>wrote: > In other words, > > When I ask GDAL for: > *gdalwarp -s_srs EPSG:23030 -t_srs EPSG:4258 rast_23030.tif rast_4258.tif* > > GDAL knows that 'EPSG:23030' means '+proj=utm +zone=30 +ellps=intl +units=m > +no_defs'. > So my question is: From witch file GDAL gets that information from? > > Cheers, > > Eloi Ribeiro > GIS Analyst > 39,45º -4,40º > http://eloiribeiro.wordpress.com > > > On Mon, Oct 11, 2010 at 14:55, Eloi Ribeiro <eloi.ribe...@gmail.com>wrote: > >> Hi all, >> >> I would like that every time a I use gdalwarp for some EPSG codes [1] >> transformation it would use by default the nadgrids [2] (for Portugal and >> Spain) that I have under the folder '/usr/share/proj/'. >> >> For that purpose in PostGIS I needed to add >> '+nadgrids=nadgrid_file_name.gsb' at the end of the line of the 'proj4text' >> field text in table 'spatial_ref_sys' for each EPSG code I wonted to use the >> nadgrid. >> >> So I suppose there must be a similar way of doing this with GDAL. How can >> I achieve this with GDAL? >> >> Thank's! >> >> [1] 27492,27493,20790,20791,23029,23030,23031,3763,4258,4326 >> [2] pt73_e89.gsb, ptLX_e89.gsb, ptLB_e89.gsb, ptED_e89.gsb, R2009V9.gsb, >> BALR2009.gsb >> >> >> Eloi Ribeiro >> GIS Analyst >> 39,45º -4,40º >> http://eloiribeiro.wordpress.com >> > > > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9494447584 17.2416N 80.1426E
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